Discriminating the long distance dispersal of fine ash from sustained columns or near ground ash clouds: The example of the Pomici di Avellino eruption (Somma-Vesuvius, Italy)

Sulpizio, Roberto; Bonasia, Rosanna; Dellino, Pierfrancesco; Vito, M. A. Di; Volpe, L. La; Mele, Daniela; Zanchetta, Giovanni; Sadori, Laura

doi:10.1016/j.jvolgeores.2007.11.012

Cited by 80 publications

(53 citation statements)

References 46 publications

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“…These additional characteristics may include shape and colour of the volcanic fragments, mineral inclusions, vesicularity and groundmass texture (e.g. Cioni et al, 2008;Sulpizio et al, 2008). Moreover, the relative stratigraphic positions as well as available ages from radiometric or other absolute dating methods are further important prerequisites to narrow the set of tephras for possible correlations.…”

Section: Tephrostratigraphymentioning

confidence: 99%

A tephrostratigraphic record for the last glacial–interglacial cycle from Lake Ohrid, Albania and Macedonia

Vogel

Zanchetta

Sulpizio

et al. 2009

J Quaternary Science

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Here we present a tephrostratigraphic record (core Co1202) recovered from the northeastern part of Lake Ohrid (Republics of Macedonia and Albania) reaching back to Marine Isotope Stage (MIS) 6. Overall ten horizons (OT0702-1 to OT0702-10) containing volcanic tephra have been recognised throughout the 14.94 m long sediment succession. Four tephra layers were visible at macroscopic inspection (OT0702-4, OT0702-6, OT0702-8 and OT0702-9), while the remaining six are cryptotephras (OT0702-1, OT0702-2, OT0702-3, OT0702-5, OT0702-7 and OT0702-10) identified from peaks in K, Zr and Sr intensities, magnetic susceptibility measurements, and washing and sieving of the sediments. Glass shards of tephra layers and cryptotephras were analysed with respect to their major element composition, and correlated to explosive eruptions of Italian volcanoes. The stratigraphy and the major element composition of tephra layers and cryptotephras allowed the correlation of OT0702-1 to AD 472 or AD 512 eruptions of Somma-Vesuvius, OT0702-2 to the FL eruption of Mount Etna, OT0702-3 to the Mercato from Somma-Vesuvius, OT0702-4 to SMP1-e/Y-3 eruption from the Campi Flegrei caldera, OT0702-5 to the Codola eruption (Somma-Vesuvius or Campi Flegrei), OT0702-6 to the Campanian Ignimbrite/Y-5 from the Campi Flegrei caldera, OT0702-7 to the Green Tuff/Y-6 eruption from Pantelleria Island, OT0702-8 to the X-5 eruption probably originating from the Campi Flegrei caldera, OT0702-9 to the X-6 eruption of generic Campanian origin, and OT0702-10 to the P-11 eruption from Pantelleria Island. The fairly well-known ages of these tephra layers and parent eruptions provide new data on the dispersal and deposition of these tephras and, furthermore, allow the establishment of a chronological framework for core Co1202 for a first interpretation of major sedimentological changes.

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Section: Tephrostratigraphymentioning

confidence: 99%

A tephrostratigraphic record for the last glacial–interglacial cycle from Lake Ohrid, Albania and Macedonia

Vogel

Zanchetta

Sulpizio

et al. 2009

J Quaternary Science

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138

132

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“…Phreatomagmatic ashes have been recognised over an area of more than 22,000 km 2 to the north west of Somma-Vesuvius (red shaded area in Fig. 2a; Sulpizio et al, 2008a), with thickness of 3 mm up to distances of more than 180 km from the source (Sulpizio et al, 2008a). The second example here reported is the AP3 eruption (Andronico and Cioni, 2002), dated at 2710±60 14 C yr BP (Rolandi et al, 1998).…”

Section: Resultsmentioning

confidence: 65%

“…75,000 km 2 ) east of Somma-Vesuvius (blue-shaded area in Fig. 2a; Sulpizio et al, 2008a), more than four times the area enclosed by the 1 cm isopach previously hypothesized (Cioni et al, 2000;Fig. 2a).…”

Section: Resultsmentioning

confidence: 77%

“…After injection into the atmosphere, the ash is dispersed as convective columns and umbrella clouds, which are subject to the combined effects of gravity and wind speed, or are transported close to the ground as pyroclastic density currents (PDCs; e.g. Sulpizio et al, 2008a). Irrespective of the eruptive mechanism or intensity, ash particles usually affect wide areas around volcanic centres, and can cause severe damage and casualties in both proximal and medial areas.…”

Section: Introductionmentioning

confidence: 99%

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The dispersal of ash during explosive eruptions from central volcanoes and calderas: an underestimated hazard for the central Mediterranean area

Sulpizio¹,

Caron²,

Giaccio³

et al. 2008

IOP Conf. Ser.: Earth Environ. Sci.

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“…Application of tephrochronology to volcanology, Quaternary science, palaeoceanography and archaeology has an exceedingly high potential in the Mediterranean region, owing to the intense explosive volcanic activity that occurred over the last 200 ka (Keller et al, 1978;Thunnell et al, 1979;McCoy, 1981;Paterne et al, 1986Paterne et al, , 1988Paterne et al, , 1990Poli et al, 1987;Rosi and Sbrana, 1987;Calanchi et al, 1998;Narcisi and Vezzoli, 1999;Pappalardo et al, 1999;Siani et al, 2004;Peccerillo, 2005;Di Vito et al, 2008;Santacroce et al, 2008;Turney et al, 2008). In the last 30 years, Quaternary tephra layers have been used extensively to develop a high-resolution event stratigraphy for the Late Pleistocene and Holocene across the central and eastern Mediterranean (e.g.…”

Section: Introductionmentioning

confidence: 99%

The Holocene tephrostratigraphic record of Lake Shkodra (Albania and Montenegro)

Sulpizio

Welden

Caron

et al. 2009

J Quaternary Science

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Two cores were recovered in the southeastern part of Lake Shkodra (Montenegro and Albania) and sampled for identification of tephra layers. The first core (SK13, 7.8mlong) was recovered from a water depth of 7m, while the second core (SK19, 5.8mlong) was recovered close to the presentday shoreline (water depth of 2 m). Magnetic susceptibility investigations show generally low values with some peaks that in some cases are related to tephra layers. Naked-eye inspection of the cores allowed the identification of four tephra layers in core SK13 and five tephra layers in core SK19. Major element analyses on glass shards and mineral phases allowed correlation of the tephra layers between the two cores, and their attribution to six different Holocene explosive eruptions of southern Italy volcanoes. Two tephra layers have under-saturated composition of glass shards (foiditic and phonolitic) and were correlated to the AD 472 and the Avellino (ca. 3.9 cal. ka BP) eruptions of Somma- Vesuvius. One tephra layer has benmoreitic composition and was correlated to the FL eruption of Mount Etna (ca. 3.4 cal. ka BP). The other three tephra layers have trachytic composition and were correlated to Astroni (ca. 4.2 cal. ka BP), Agnano Monte Spina (ca. 4.5 cal. ka BP) and Agnano Pomici Principali (ca. 12.3 cal. ka BP) eruptions of Campi Flegrei. The ages of tephra layers are in broad agreement with eight 14C accelerator mass spectrometric measurements carried out on plant remains and charcoal from the lake sediments at different depths along the two cores. The recognition of distal tephra layers from Italian volcanoes allowed the physical link of the Holocene archive of Lake Shkodra to other archives located in the central Mediterranean area and the Balkans (i.e. Lake Ohrid). Five of the recognised tephra layers were recognised for the first time in the Balkans area, and this has relevance for volcanic hazard assessment and for ash dispersal forecasting in case of renewed explosive activity from some of the southern Italy volcanoes

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Discriminating the long distance dispersal of fine ash from sustained columns or near ground ash clouds: The example of the Pomici di Avellino eruption (Somma-Vesuvius, Italy)

Cited by 80 publications

References 46 publications

A tephrostratigraphic record for the last glacial–interglacial cycle from Lake Ohrid, Albania and Macedonia

A tephrostratigraphic record for the last glacial–interglacial cycle from Lake Ohrid, Albania and Macedonia

The dispersal of ash during explosive eruptions from central volcanoes and calderas: an underestimated hazard for the central Mediterranean area

The Holocene tephrostratigraphic record of Lake Shkodra (Albania and Montenegro)

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